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Finding the Fourth Proportional to 974.34, 1,460.34 and 357.66

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Solution

The fourth proportional to 974.34, 1,460.34 and 357.66 is: 536.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    974.34 : 1,460.34 = 357.66 : x
  2. Step 2: Convert to fraction form
    974.34/1,460.34 = 357.66/x
  3. Step 3: Cross multiply
    974.34x = 1,460.34 × 357.66
  4. Step 4: Simplify right side
    974.34x = 522,305.20
  5. Step 5: Solve for x
    x = 522,305.20/974.34
  6. Step 6: Final answer
    x = 536.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.